Phase Separation In Cuprate Superconductors
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Phase Separation In Cuprate Superconductors
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Author : Karl A. Müller
language : en
Publisher:
Release Date : 1993
Phase Separation In Cuprate Superconductors written by Karl A. Müller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
Phase Separation In Cuprate Superconductors
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Author : Ernst Sigmund
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Phase Separation In Cuprate Superconductors written by Ernst Sigmund and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
Phase separation has become a fascinating subject in the discussion of cuprate superconductors. All these materials have layered structures containing CU02 planes as the most important building blocks. They are coupled only weakly so that the electronic properties show a nearly two-dimensional behaviour. Due to correlations the undoped compounds are insulators of the Mott Hubbard type exhibiting long-range antiferromagnetic order. Upon doping a rich scenario of physical phenomena appears: Even at low hole concentra tions the antiferromagnetic ordering temperature is reduced drastically and spin-glass behaviour as well as a hopping type conductivity can be observed. Further doping leads to metallic-like conductivity and below Tc to super conductivity. In this doping regime antiferromagnetic fluctuations are still observed. At very high charge carrier densities superconductivity is lost and the systems show pure metallic conduction without ,magnetic correlations. One of the most interesting phenomena in high-T c research is the interplay between magnetism and conductivity or superconductivity. Especially the behaviour of charge carriers in the antiferromagnetic background raises a number of open questions. Two scenarios become possible: the carriers tend to delocalize over the whole crystal forming a homogeneous state with band-like structure or they separate into hole-rich (conducting, superconducting) and hole-poor (insulating, antiferromagnetic) phases leading to an inhomogeneous structure.
Phase Separation In Cuprate Superconductors Proceedings Of The Workshop
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Author : Karl Alex Muller
language : en
Publisher: World Scientific
Release Date : 1993-01-08
Phase Separation In Cuprate Superconductors Proceedings Of The Workshop written by Karl Alex Muller and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-01-08 with categories.
The main objective of this workshop was to review and discuss the electronic and chemical properties of layered cuprate superconductors. These are doped antiferromagnetic (AFM) insulators, and there is the possibility of a dynamic phase separation into metallic clusters and AFM areas. A clarification on the existence and the mechanism of such a phase separation is believed to be crucial for the understanding of high-Tc superconductivity in cuprates.On the one hand, theoretical and recent experimental indications in favor of this possibility were presented, on the other hand experimental papers expressing more skeptical views were also delivered. Related work on phase separations of chemical and structural origin was also included, followed by contributions on the question; “If phase separation is present, what is the pairing mechanism in the metallic clusters?”.
Phase Separation In Cuprate Superconductors
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Author : E. Sigmund
language : en
Publisher:
Release Date : 1994
Phase Separation In Cuprate Superconductors written by E. Sigmund and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
Proceedings Of The Workshop On Phase Separation In Cuprate Superconductors Erice Italy 6 12 May 1992
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Author : Karl A. Müller
language : en
Publisher:
Release Date : 1993
Proceedings Of The Workshop On Phase Separation In Cuprate Superconductors Erice Italy 6 12 May 1992 written by Karl A. Müller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with SCIENCE categories.
High Tc Superconductivity 1996
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Author : E. Kaldis
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
High Tc Superconductivity 1996 written by E. Kaldis and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
After an introduction by J.G. Bednorz, describing the discovery of high Tc superconductivity and its consequences, the book goes on to describe modern research, dealing with general problems, new materials and structures, phase separation, electronic homogeneities and related problems, and applications. Specific systems dealt with include the La-cuprates. the Bi-cuprates and the Y-cuprates and related compounds.
High Temperature Cuprate Superconductors
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Author : Nikolay Plakida
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-08-26
High Temperature Cuprate Superconductors written by Nikolay Plakida and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-08-26 with Technology & Engineering categories.
High-Temperature Cuprate Superconductors provides an up-to-date and comprehensive review of the properties of these fascinating materials. The essential properties of high-temperature cuprate superconductors are reviewed on the background of their theoretical interpretation. The experimental results for structural, magnetic, thermal, electric, optical and lattice properties of various cuprate superconductors are presented with respect to relevant theoretical models. A critical comparison of various theoretical models involving strong electron correlations, antiferromagnetic spin fluctuations, phonons and excitons provides a background for understanding of the mechanism of high-temperature superconductivity. Recent achievements in their applications are also reviewed. A large number of illustrations and tables gives valuable information for specialists. A text-book level presentation with formulation of a general theory of strong-coupling superconductivity will help students and researches to consolidate their knowledge of this remarkable class of materials.
Electronic Phase Separation In Magnetic And Superconducting Materials
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Author : Maxim Yu. Kagan
language : en
Publisher: Springer Nature
Release Date : 2024-06-03
Electronic Phase Separation In Magnetic And Superconducting Materials written by Maxim Yu. Kagan and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-06-03 with Science categories.
This book focuses on nanoscale electronic phase separation in a wide class of different materials, especially in strongly correlated electron systems. It features an extensive review of the field of inhomogeneous spin and charge states in condensed matter physics while delivering a topical and timely discussion of a wide range of recent advances in electronic phase separation. It describes the formation of different types of nanoscale ferromagnetic metallic droplets in antiferromagnetically ordered, charge-ordered, or orbitally-ordered insulating matrices, as well as the colossal magnetoresistance effect and tunneling electron transport in the nonmetallic phase-separated state of complex magnetic oxides. It also discusses compounds with spin-state transitions, inhomogeneously phase-separated states in strongly correlated multiband systems, and the electron polaron effect, paying special attention to systems with imperfect Fermi surface-nesting such as chromium alloys, iron-based pnictides, and AA-stacked graphene bilayers. The authors investigate also the formation of order parameter clusters and insulator-superconductor transition in different superconducting systems including bismuth oxides, two-dimensional films in the presence of strong disorder, as well as inhomogeneous Fermi-Bose mixtures in Aharonov-Bohm rings with a superconducting bridge in a topologically nontrivial state. This book is a valuable resource for researchers involved in theoretical and experimental studies of strongly correlated materials, such as magnetic semiconductors, Fermi-Bose mixtures, and twisted bilayer graphene.
Symmetry And Pairing In Superconductors
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Author : Marcel Ausloos
language : en
Publisher: Springer Science & Business Media
Release Date : 1999-01-31
Symmetry And Pairing In Superconductors written by Marcel Ausloos and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-01-31 with Technology & Engineering categories.
These Proceedings of a NATO-ARW (HTECH ARW 97 1843) held at the Oreanda Hotel, Yalta, Ukraine from April 29 till May 2 , 1998 resulted from many discussions between various workers, concerning the need for a gathering of all (if possible) who were concerned with the subject of symmetry of the order parameter and pairing states for superconductivity. We applied ourselves in particular to High critical Temperature Superconductors (HTS), but also studied other unconventional superconductors. The study of HTS is one of the most prominent research subjects in solid state sciences. The understanding of the role of symmetry and pairing conditions are also thought to be necessary before technological applications since these features may be influenced by external fields. The workshop discussions have touched upon theoretical and experimental aspects, but also on related topics. These served as initiators for a very great amount of discussions with many comments from the audience. More than thirty "long lectures" and one on going "poster session" were held. Private discussions went unrecorded but obviously took place at many locations : lecture halls, staircases, cafes, bedrooms, bars, beach,bus, plane... Arguments openly reported for the first time were often quite sharp ones, -and this is an understatement.
Phase Separation In Cuprate Superconductors
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Author : K. Alex Müller
language : en
Publisher:
Release Date : 1993
Phase Separation In Cuprate Superconductors written by K. Alex Müller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.